Telefónica has achieved a record of sorts by passing the 80% mark for Spanish 5G coverage, higher even than carriers such as Korea Telecom or China Mobile. But while that is a great effort, coverage is not the same as revenues or customers, and on those metrics, the Asian giants are in the ascendant, although Chinese 5G coverage has been criticized for not being as good as it seems. One challenge when comparing 5G roll-outs and assessing operator claims is that we are not always comparing equal fruit, with some services being faster, reliable and more consistent within their coverage areas than others. In the USA, for example, AT&T claims to reach 225m Americans, 69% of the population, with its…